Automobile heater



May 20', 1924.

W. HURST AUTOMOBILE HEATER Filed Feb. 9 1922 Patented May 20, 1924.

WILLIAM HURST, or wmnrrne, MANITOBA, camps.

AUTOMOBILE HEATER.

Application filed February 9, 1922. Serial. No. 535,266.

To all whom it may concern:

Be it known that I.- WILLIAM Huns'r, a

subject of the King of Great Britain, of the city of Winnipeg, inthe Province of Manitoba, Canada, have invented certain new and useful Improvements in Automobile Heaters, of which the following is the specification. 1

The invention relates to improvements inv automobile heaters and particularly to a heater for heating the circulating waters of the water jackets of an internal combustion engine and an object of the invention is to provide an engine having a heating chamber formed as an integral part of the engine and opening to the water jacket and provided with a removable plug permitting, when desired, of the insertion of an electrical heating element, the element being attacha-ble and detachable as occasion requires.

With the above more important object in view the invention consists essentially in the arrangement and construction of parts hereinafter more particularly described. and later pointed out in the appended claims, reference being had to the accompanying drawing in which Fig. 1 is a side view of an engine showing my element receiving compartment and formed as an integral part of the engine.

Fig. 2 is an enlarged detailed horizontal sectional view at 2-2' Fig. 1.

Fig. 3 is a vertical. sectional view at 33' Figure 2.

Figures 4 and 6 are side views of difierent types of engines showing the invention associated therewith and in different positions.

Fig. 5 is an enlarged detailed vertical sectional view at 55' Fig. i.

In the drawing like characters of reference indicate corresponding parts in the several figures. 1

In order to better understand the invention I might explain that in my prior application No. 346,855 filed December 23rd, 1919, I have shown a water heater constructed for insertion in the water circulating system of the engine. The type of heater therein disclosed operates satisfactorily but I have found. that it is necessary to make various styles of heaters to accommodate the existing types of engines and the circula-ting systems thereof.

As there are a great number of engine types it is rather a costly procedure to man ufacture aheater for every type and stock quantities of the same. Further, considerable fitting has to be done when such a heateris installed.

By casting the electrical heating chamber as an integral part of the engine when the engine is being made and providing the chamber with a removable plug permitting of the insertion of the heating element, I avoid the difliculties above set forth.

Referring now to the drawing: The engine 1 presents the customary water jacket 2 surrounding the cylinders 3 and contained within the casing 1. The water outlet pipe 5 leads from the lower part of the jacket and the inlet pipe 6 opens to the upper part of the water jacket. The usual hose connections (not shown) connect these pipes with the radiator.

As far as I am aware the majority of electrical heaters are inserted between the pipe 5 and the lower part of the radiator and where such installation. is made one meets with the various difficulties which I have hereinbefore explained.

According to my invention the engine casing is cast with an electrical heating chamber 7 of a size such that it will receive the electrical heating element to be used. The side of the chamber next the engine opens as indicated at 8 to the water jacket and one end of the chamber is. provided with a screw threaded opening 9 which when the engine leaves the factory or shop is closed by a removable screw plug 10.

In various types of engines it will be necessary to cast the electrical heating chamher in different positions to accommodate the type of engine. The electrical heating element which I purpose using is of the same type as that disclosed in the application above mentioned. I have not considered it necessary to enter into a detailed description of the heater but I have shown it in full outline Figure 2.

It comprises a cylindrical heating element 11, a tubular neck 12 leading from the element, a terminal 13 and a coupling 14 attached to the neck and adapted to screw into the opening 9 after the plug 10 has been removed.

This type of electrical heater is at present a commercial commodity and I only require to attach the coupling to it in the manner disclosed in my prior application and then insert the element in the heating chamber and tighten up the coupling. Obviously by so casting the heating chamber when the engine is made it can be placed to best advantage on the engine and no trouble is expcrienced thereafter if one desires to equip his engine with an electrical water heater.

In warmer countries where no heater is required the plug 10 Will be left in place. On the other hand at any time when one desires to install the heater he simply has to remove the plug, insert the heating element and screw in the coupling 14: which 1 provide as part of the heater.

An electrical connection from a suitable source o'F electromotive force is made at the terminals and the element will then act to heat the Water in the acket and prevent the same from becoming congealed or frozen when the engine is standing idle.

What I claim as my invention is 1. An engine cylinder including a water jacket provided with an integral outwardly offset portion affording a relatively long and narrow heating chamber disposed outwardly of the jacket in communication therewitln said chamber being provided at one end with an opening for the insertion of an elongated heating element.

2. An engine cylinder containing a water jacket provided with an outwardly ofi'set portion affording a relatively long and narrow chamber arranged with its major axis parallel with the adjacent wall of the jacket, the end walls of said chamber being disposed at right angles to the jacket and one of said walls being provided with an opening for the insertion of an elongated heatmg element therethrough.

Signed at Winnipeg, this 30th day of December, 1921.

WILLIAM HURST.

In the presence of- GERALD S. ROXBURGH, M. B. KELLEHER. 

